Allow to delete data disk on termination

main.tf

@@ -21,6 +21,7 @@ resource "azurerm_virtual_machine" "vm-linux" {
   availability_set_id   = "${azurerm_availability_set.vm.id}"
   vm_size               = "${var.vm_size}"
   network_interface_ids = ["${element(azurerm_network_interface.vm.*.id, count.index)}"]
+  delete_os_disk_on_termination = "${var.delete_os_disk_on_termination}"
 
   storage_image_reference {
     id        = "${var.vm_os_id}"
@@ -62,6 +63,7 @@ resource "azurerm_virtual_machine" "vm-windows" {
   availability_set_id   = "${azurerm_availability_set.vm.id}"
   vm_size               = "${var.vm_size}"
   network_interface_ids = ["${element(azurerm_network_interface.vm.*.id, count.index)}"]
+  delete_os_disk_on_termination = "${var.delete_os_disk_on_termination}"
 
   storage_image_reference {
     id        = "${var.vm_os_id}"

variables.tf

@@ -97,3 +97,8 @@ variable "public_ip_address_allocation" {
   description = "Defines how an IP address is assigned. Options are Static or Dynamic."
   default = "static"
 }
+
+variable "delete_os_disk_on_termination" {
+   description = "Delete datadisk when machine is terminated"
+   default = "false"
+}